Question

Benjamin​ & Associates, a real estate​ developer, recently built 198 condominiums in​ McCall, Idaho. The condos were either three​-bedroom units or four​-bedroom units. If the total number of rooms in the entire complex is 711​, how many three​-bedroom units are​ there? How many four​-bedroom units are​ there?

Answer 1

Use system of equations to solve this problem. set up x and y =198 and 3x +4y =711. solve for x and y